Remove/install steering coupling

AR46.10-P-8000IW

Remove/install steering coupling

17.1.11

 

Remove/install



Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

1

Switch off easy entry/exit function for driver seat and steering wheel

Vehicles with memory package (driver seat, steering column, mirrors) code 275

 Otherwise the driver seat and steering wheel move to a different position, e.g. when the driver door is opened/closed. The upper frame may be damaged when the holding device is installed.

 The system is switched off via the buttons on the steering wheel in the "Comfort" menu of the multifunction display.

Danger!

Risk of death caused by vehicle slipping or toppling off of the lifting platform.

Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer.

AS00.00-Z-0010-01A

2

Raise vehicle

3.1

Detach lower engine compartment paneling

Model 211 with gasoline engine

AR61.20-P-1105T

Model 220

AR61.20-P-1105M

3.2

Detach lower soundproofing

Model 211.084 /089 /284 /289

AR94.30-P-5300T

4.1

Unplug connector (a) from control valve of rack-and-pinion steering and unclip line from exhaust shielding plate of steering coupling (23m) and from front axle carrier

Model 220.08 / 28

4.2

Disconnect connector (a) from rack-and-pinion steering control valve

Model 211.08 /09 /28 /29

5

Detach exhaust shielding plate of steering coupling (23m) from control valve of rack-and-pinion steering

6

Detach heat shield (30) from front plate

Model 211.08 /09 /28 /29

7

Unscrew top bolt (25a), unscrew nut (26) and pull out bottom bolt (25b) from steering coupling (25)

 To do so rotate steering coupling (25) into corresponding position.

 The locking plate (25g) is available as a replacement part.

 Installation: Insert a new self-locking nut into the existing locking plate (25g).

The upper bolt (25a) must be replaced.

The nut (26) must be replaced.



*BA46.10-P-1001-01E



*BA46.10-P-1002-01E

8

Rotate steering wheel into center position and fix in position with retainer

 On a disengaged steering coupling (25) the steering wheel should not be turned because the spiral contact coil will be destroyed.

 Front wheels in straight-ahead position.



*129589012100

9

Carefully pull steering coupling (25) out of control valve of rack-and-pinion steering (toothing on control valve)

 Do not use force (hammer impact, strong lever action).

 Installation: Turn rack-and-pinion steering to center position and fit steering coupling (25).

AR46.20-P-0600-01P

10

Detach steering coupling (25) from the lower steering shaft

Do not use force (hammer blows, excessive leverage) as the lower steering shaft is sensitive to lateral forces.

11

Remove dividing exhaust shielding plate (25f) from steering coupling (25)

 To do this, fold up lug (b) and lug (c) and separate the halves.

12

Install in the reverse order

Number

Designation

Model 220.083/084/087/
183/184/187

Model
211.08/
09/28/29

BA46.10-P-1001-01E

Bolt, steering coupling to steering shaft

Stage 1

Nm

20

20

Stage 2

°

-

60

BA46.10-P-1002-01E

Safety screw and steering coupling locknut to rack-and-pinion steering

Nm

18

18